When Is The Shortest Day 2024. The shortest day of the year, also known as the winter solstice, occurs on december 21st or 22nd in the northern hemisphere. Winter solstice takes place on december 21, 2024, in the northern hemisphere and on june 20, 2024, in the southern hemisphere.

The winter solsitice is both the shortest day of the year and also the longest night. This is the shortest day of the year with the fewest hours of.